000 00403 a2200145 4500
082 _a629.566
_bIn8p7
245 1 _aPROCEDURES FOR AIR NAVIGATION SERVICES
_cRULES OF THE AIR AND AIR TRAFFIC SERVICES
250 _a7th
260 _aMontreal, Canada
_b
_c1960
300 _a1 v.,loose leaf
440 _aIts Doc.
_v4444-Rac/501/7
650 _aAir Traffic Control
964 _gCIRC
997 _a32495 C
999 _c456034
_d456034